Coniferæ. Trees that bear cones, as the pine.
Coprolite. The fossil remains of excrement.
Cosmical. Relating to the universe.
Cosmogony. The word formerly applied to speculations concerning the earth’s age and history.
Cotyledonous. Plants whose seeds have but one lobe.
Crag. The name given to certain Tertiary deposits in Norfolk and Suffolk.
Cretaceous. Belonging to the chalk.
Crinoid. Belonging to the encrinite family.
Cropping out. The out-crop of a bed is its first appearance at the surface.